CVE-2012-4643
The DHCP server on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 7.0 before 7.2(5.8), 7.1 before 7.2(5.8), 7.2 before 7.2(5.8), 8.0 before 8.0(5.28), 8.1 before 8.1(2.56), 8.2 before 8.2(5.27), 8.3 before 8.3(2.31), 8.4 before 8.4(3.10), 8.5 before 8.5(1.9), and 8.6 before 8.6(1.5) does not properly allocate memory for DHCP packets, which allows remote attackers to cause a denial of service (device reload) via a series of crafted IPv4 packets, aka Bug ID CSCtw84068.
- Score
- CVSS 2.0 7.1 High
- Status
- Modified - psirt@cisco.com
- Published
- 2012-10-29
- Last modified
- 2024-08-06
- Weaknesses
- CWE-399
Affected products
- 5500 Series Adaptive Security Appliance (Cisco)
- Adaptive Security Appliance Software (Cisco)
- Catalyst 6500 (Cisco)
- Catalyst 6503-e (Cisco)
- Catalyst 6504-e (Cisco)
- Catalyst 6506-e (Cisco)
- Catalyst 6509-e (Cisco)
- Catalyst 6509-neb-a (Cisco)
- Catalyst 6509-v-e (Cisco)
- Catalyst 6513 (Cisco)
- Catalyst 6513-e (Cisco)
References
- http://osvdb.org/86145
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20121010-asa
- http://www.securityfocus.com/bid/55861